package com.aoip.telemetry.telemetry.configureui.framework.config;

import com.aoip.telemetry.telemetry.configureui.framework.config.properties.CasProperties;
import com.aoip.telemetry.telemetry.configureui.framework.security.filter.JwtAuthenticationTokenFilter;
import com.aoip.telemetry.telemetry.configureui.framework.security.filter.MyDisableUrlSessionFilter;
import com.aoip.telemetry.telemetry.configureui.framework.security.handle.AuthenticationEntryPointImpl;
import com.aoip.telemetry.telemetry.configureui.framework.security.handle.LogoutSuccessHandlerImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.http.HttpMethod;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
import org.springframework.security.web.authentication.logout.LogoutFilter;
import org.springframework.web.filter.CorsFilter;

import javax.annotation.Resource;

/**
 * spring security配置
 *
 * @author ruoyi
 */
@EnableGlobalMethodSecurity(prePostEnabled = true, securedEnabled = true)
public class SecurityConfig extends WebSecurityConfigurerAdapter {

    @Autowired
    private CasProperties casProperties;

    /**
     * 自定义用户认证逻辑
     */
    @Autowired
    private UserDetailsService userDetailsService;

    /**
     * 认证失败处理类
     */
    @Autowired
    private AuthenticationEntryPointImpl unauthorizedHandler;

    /**
     * 退出处理类
     */
    @Autowired
    private LogoutSuccessHandlerImpl logoutSuccessHandler;

    @Autowired
    private MyDisableUrlSessionFilter myDisableUrlSessionFilter;

    /**
     * token认证过滤器
     */
    @Autowired
    private JwtAuthenticationTokenFilter authenticationTokenFilter;

    /**
     * 跨域过滤器
     */
    @Resource
    private CorsFilter corsFilter;

    /**
     * 解决 无法直接注入 AuthenticationManager
     *
     * @return
     * @throws Exception
     */
    @Bean
    @Override
    public AuthenticationManager authenticationManagerBean() throws Exception {
        return super.authenticationManagerBean();
    }

    /**
     * anyRequest          |   匹配所有请求路径
     * access              |   SpringEl表达式结果为true时可以访问
     * anonymous           |   匿名可以访问
     * denyAll             |   用户不能访问
     * fullyAuthenticated  |   用户完全认证可以访问（非remember-me下自动登录）
     * hasAnyAuthority     |   如果有参数，参数表示权限，则其中任何一个权限可以访问
     * hasAnyRole          |   如果有参数，参数表示角色，则其中任何一个角色可以访问
     * hasAuthority        |   如果有参数，参数表示权限，则其权限可以访问
     * hasIpAddress        |   如果有参数，参数表示IP地址，如果用户IP和参数匹配，则可以访问
     * hasRole             |   如果有参数，参数表示角色，则其角色可以访问
     * permitAll           |   用户可以任意访问
     * rememberMe          |   允许通过remember-me登录的用户访问
     * authenticated       |   用户登录后可访问
     */
    @Override
    protected void configure(HttpSecurity httpSecurity) throws Exception {
        httpSecurity
                // CSRF禁用，因为不使用session
                .csrf().disable()
                // 认证失败处理类
                .exceptionHandling().authenticationEntryPoint(unauthorizedHandler).and()
                // 基于token，所以不需要session
                .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS).and()
                // 过滤请求
                .authorizeRequests()
                // 对于登录login 注册register 验证码captchaImage 允许匿名访问
                .antMatchers("/login", "/register", "/loginC", "/loginCas", "/doLogin","/captchaImage").anonymous()
                .antMatchers(
                        HttpMethod.GET,
                        "/",
                        "/*.html",
                        "/**/**",
                        "/**/*.html",
                        "/**/*.css",
                        "/**/*.js",
                        "/profile/**"
                ).permitAll()
                .antMatchers("/common/download**").anonymous()
                .antMatchers("/common/download/resource**").anonymous()
                .antMatchers("/swagger-ui.html").anonymous()
                .antMatchers("/swagger-resources/**").anonymous()
                .antMatchers("/webjars/**").anonymous()
                .antMatchers("/*/api-docs").anonymous()
                .antMatchers("/druid/**").anonymous()
                // 除上面外的所有请求全部需要鉴权认证
                .anyRequest().authenticated()
                .and()
                .headers().frameOptions().disable();
        httpSecurity.logout().logoutUrl("/logout").logoutSuccessHandler(logoutSuccessHandler);

// 添加JWT filter
        httpSecurity.addFilterBefore(authenticationTokenFilter, UsernamePasswordAuthenticationFilter.class);
        httpSecurity.addFilterBefore(myDisableUrlSessionFilter, UsernamePasswordAuthenticationFilter.class);
        // 添加CORS filter
//        httpSecurity.addFilterBefore(corsFilter, JwtAuthenticationTokenFilter.class);
        httpSecurity.addFilterBefore(corsFilter, LogoutFilter.class);


    }

    /**
     * 强散列哈希加密实现
     */
    @Bean
    public BCryptPasswordEncoder bCryptPasswordEncoder() {
        return new BCryptPasswordEncoder();
    }

    /**
     * 身份认证接口
     */
    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        auth.userDetailsService(userDetailsService).passwordEncoder(bCryptPasswordEncoder());
    }
//在common模块pom添加spring-security-cas依赖：
//
//<!-- spring security cas-->
//<dependency>
//    <groupId>org.springframework.security</groupId>
//    <artifactId>spring-security-cas</artifactId>
//</dependency>
//    /**
//     * 认证的入口
//     */
//    @Bean
//    public CasAuthenticationEntryPoint casAuthenticationEntryPoint() {
//        CasAuthenticationEntryPoint casAuthenticationEntryPoint = new CasAuthenticationEntryPoint();
//        casAuthenticationEntryPoint.setLoginUrl(casProperties.getCasServerLoginUrl());
//        casAuthenticationEntryPoint.setServiceProperties(serviceProperties());
//        return casAuthenticationEntryPoint;
//    }
//
//    /**
//     * 指定service相关信息
//     */
//    @Bean
//    public ServiceProperties serviceProperties() {
//        ServiceProperties serviceProperties = new ServiceProperties();
//        serviceProperties.setService(casProperties.getAppServerUrl() + casProperties.getAppLoginUrl());
//        serviceProperties.setAuthenticateAllArtifacts(true);
//        return serviceProperties;
//    }
//
//
//     * CAS认证过滤器
//     */
//    @Bean
//    public CasAuthenticationFilter casAuthenticationFilter() throws Exception {
//        CasAuthenticationFilter casAuthenticationFilter = new CasAuthenticationFilter();
//        casAuthenticationFilter.setAuthenticationManager(authenticationManager());
//        casAuthenticationFilter.setFilterProcessesUrl(casProperties.getAppLoginUrl());
//        casAuthenticationFilter.setAuthenticationSuccessHandler(casAuthenticationSuccessHandler);
//        return casAuthenticationFilter;
//    }
//
//    /**
//     * cas 认证 Provider
//     */
//    @Bean
//    public CasAuthenticationProvider casAuthenticationProvider() {
//        CasAuthenticationProvider casAuthenticationProvider = new CasAuthenticationProvider();
//        casAuthenticationProvider.setAuthenticationUserDetailsService(customUserDetailsService);
//        casAuthenticationProvider.setServiceProperties(serviceProperties());
//        casAuthenticationProvider.setTicketValidator(cas20ServiceTicketValidator());
//        casAuthenticationProvider.setKey("casAuthenticationProviderKey");
//        return casAuthenticationProvider;
//    }
//
//    @Bean
//    public Cas20ServiceTicketValidator cas20ServiceTicketValidator() {
//        return new Cas20ServiceTicketValidator(casProperties.getCasServerUrl());
//    }
//
//    /**
//     * 单点登出过滤器
//     */
//    @Bean
//    public SingleSignOutFilter singleSignOutFilter() {
//        SingleSignOutFilter singleSignOutFilter = new SingleSignOutFilter();
//        singleSignOutFilter.setCasServerUrlPrefix(casProperties.getCasServerUrl());
//        singleSignOutFilter.setIgnoreInitConfiguration(true);
//        return singleSignOutFilter;
//    }
//
//    /**
//     * 请求单点退出过滤器
//     */
//    @Bean
//    public LogoutFilter casLogoutFilter() {
//        LogoutFilter logoutFilter = new LogoutFilter(casProperties.getCasServerLogoutUrl(),
//                new SecurityContextLogoutHandler());
//        logoutFilter.setFilterProcessesUrl(casProperties.getAppLogoutUrl());
//        return logoutFilter;
//    }
}
